Civil Engineering - Highway Engineering

46. 

Selection of the routes, of highways depends upon

A. feasibility of attaining ruling gradient
B. avoidance of cutting hard rocks
C. minimum number of bridges
D. minimum possible length of alignment
E. all the above.

Answer: Option E

Explanation:

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47. 

The first stage of deciding the alignment of a hill road, is

A. reconnaissance
B. detailed survey
C. trace-out
D. preliminary survey.

Answer: Option A

Explanation:

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48. 

While designing hair pin bends on higways, the minimum

A. designed speed is 20 km/hour
B. gradient is 1 in 40
C. gradient is 1 in 200
D. superelevations is 1 in 10
E. All the above.

Answer: Option E

Explanation:

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49. 

Pick up the incorrect statement from the following:

A. Tresguet did not provide the top camber for the drainage of surface water
B. Tresguet provided the top camber for the drainage of surface water
C. Telford provided two layers of stones in the central 5.4 m width and one layer was provided on the sides
D. Macadam provided a camber to the formation at the dug-up state, to drain percolated water.

Answer: Option A

Explanation:

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50. 

Cement grouted pavement is classified as

A. rigid pavement
B. semi-rigid pavement
C. flexible pavement
D. none of these.

Answer: Option B

Explanation:

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